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SC431

Manufacturer: SEMTECH

ADJUSTABLE SHUNT REGULATOR

Partnumber Manufacturer Quantity Availability
SC431 SEMTECH 103800 In Stock

Description and Introduction

ADJUSTABLE SHUNT REGULATOR Here are the factual details about the part SC431 from Ic-phoenix technical data files:  

### **Manufacturer Specifications**  
- **Manufacturer:** Semtech Corporation  
- **Part Number:** SC431  
- **Type:** Adjustable Precision Shunt Regulator  
- **Package:** Available in SOT-23, TO-92, and SOIC-8 packages  
- **Operating Temperature Range:** -40°C to +125°C  
- **Reference Voltage:** 2.5V (adjustable via external resistors)  
- **Tolerance:** ±1% (typical)  
- **Sink Current Capability:** 1mA to 100mA  
- **Input Voltage Range:** Up to 36V  

### **Descriptions**  
The SC431 is a three-terminal adjustable shunt regulator offering high precision, thermal stability, and low dynamic impedance. It is commonly used in voltage regulation, switching power supplies, and error amplifier circuits.  

### **Features**  
- **Adjustable Output Voltage** (from 2.5V to 36V)  
- **Low Output Noise**  
- **Wide Operating Current Range** (1mA to 100mA)  
- **Low Temperature Coefficient**  
- **High Accuracy Reference Voltage** (±1%)  
- **Low Dynamic Impedance** (0.2Ω typical)  
- **Available in Multiple Package Options**  

This information is based solely on the manufacturer's specifications and datasheet.

Application Scenarios & Design Considerations

ADJUSTABLE SHUNT REGULATOR

Alternative Part Number

  • TL431 --: Industry-standard adjustable shunt voltage reference, pin-compatible and functionally equivalent to the SC431.
  • LM431 --: Adjustable precision shunt regulator with similar reference voltage and current range, widely used as a drop-in replacement.
  • KA431 --: Adjustable shunt regulator offering comparable performance and package options for the SC431 application.

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